class Transient(pc_ast.Node):
- def __init__(self, value="UINT64_C(0)", bits="(uint8_t)ctx->XLEN"):
+ def __init__(self, value="UINT64_C(0)", bits="(uint8_t)OPPC_XLEN"):
self.__value = value
self.__bits = bits
return super().__init__()
def __str__(self):
- return f"oppc_transient(&(struct oppc_int){{}}, {self.__value}, {self.__bits})"
+ return f"oppc_transient(&(struct oppc_value){{}}, {self.__value}, {self.__bits})"
+
+
+class CCall(pc_ast.Dataclass):
+ name: str
+ code: tuple
+ stmt: bool
class CodeVisitor(pc_util.Visitor):
self.__code[self.__header].emit(stmt=f"oppc_{name}(void) {{")
with self.__code[self.__header]:
for decl in self.__decls:
- self.__code[self.__header].emit(stmt=f"struct oppc_int {decl};")
+ self.__code[self.__header].emit(stmt=f"struct oppc_value {decl};")
self.__code[self.__footer].emit(stmt=f"}}")
def __iter__(self):
def __getitem__(self, node):
return self.__code[node]
- def transient(self, node, value="UINT64_C(0)", bits="(uint8_t)ctx->XLEN"):
+ def transient(self, node,
+ value="UINT64_C(0)",
+ bits="(uint8_t)OPPC_XLEN"):
transient = Transient(value=value, bits=bits)
- with self.pseudocode(node=node):
- self.traverse(root=transient)
+ self.traverse(root=transient)
return transient
+ def ccall(self, node, name, code, stmt=False):
+ def validate(item):
+ def validate(item):
+ (level, stmt) = item
+ if not isinstance(level, int):
+ raise ValueError(level)
+ if not isinstance(stmt, str):
+ raise ValueError(stmt)
+ return (level, stmt)
+
+ return tuple(map(validate, item))
+
+ code = tuple(map(validate, code))
+ ccall = CCall(name=name, code=code, stmt=stmt)
+ self.traverse(root=ccall)
+ return ccall
+
+ def ternary(self, node):
+ self[node].clear()
+ self[node].emit(stmt="(")
+ with self[node]:
+ for (level, stmt) in self[node.test]:
+ self[node].emit(stmt=stmt, level=level)
+ self[node].emit(stmt="?")
+ for (level, stmt) in self[node.body]:
+ self[node].emit(stmt=stmt, level=level)
+ self[node].emit(stmt=":")
+ for (level, stmt) in self[node.orelse]:
+ self[node].emit(stmt=stmt, level=level)
+ self[node].emit(stmt=")")
+
@contextlib.contextmanager
def pseudocode(self, node):
for (level, stmt) in self.__pseudocode[node]:
self[node].emit(stmt=f"/* {stmt} */", level=level)
yield
- def call(self, node, code, prefix="", suffix=""):
- with self.pseudocode(node=node):
- self[node].emit(stmt=f"{prefix}(")
- with self[node]:
- for chunk in code[:-1]:
- for (level, stmt) in chunk:
- if not (not stmt or
- stmt.startswith("/*") or
- stmt.endswith((",", "(", "{", "*/"))):
- stmt = (stmt + ",")
- self[node].emit(stmt=stmt, level=level)
- if len(code) > 0:
- for (level, stmt) in code[-1]:
- if stmt:
- self[node].emit(stmt=stmt, level=level)
- self[node].emit(stmt=f"){suffix}")
-
@pc_util.Hook(pc_ast.Scope)
def Scope(self, node):
yield node
if isinstance(node.rvalue, (pc_ast.GPR, pc_ast.FPR)):
self.__regfetch[str(node.rvalue)].append(node.rvalue)
- rvalue = self[node.rvalue]
if isinstance(node.rvalue, pc_ast.IfExpr):
- rvalue = [(0, " ".join([
- str(self[node.rvalue.test]),
- "?",
- str(self[node.rvalue.body[0]]),
- ":",
- str(self[node.rvalue.orelse[0]]),
- ]))]
+ self.ternary(node=node.rvalue)
if isinstance(node.lvalue, pc_ast.SubscriptExpr):
- self.call(prefix="oppc_subscript_assign", suffix=";", node=node, code=[
+ ccall = self.ccall(name="oppc_subscript_assign", node=node, stmt=True, code=[
self[node.lvalue.subject],
self[node.lvalue.index],
- rvalue,
+ self[node.rvalue],
])
elif isinstance(node.lvalue, pc_ast.RangeSubscriptExpr):
- self.call(prefix="oppc_range_subscript_assign", suffix=";", node=node, code=[
+ ccall = self.ccall(name="oppc_range_subscript_assign", node=node, stmt=True, code=[
self[node.lvalue.subject],
self[node.lvalue.start],
self[node.lvalue.end],
- rvalue,
+ self[node.rvalue],
])
else:
- self.call(prefix="oppc_assign", suffix=";", node=node, code=[
+ ccall = self.ccall(name="oppc_assign", stmt=True, node=node, code=[
self[node.lvalue],
- rvalue,
+ self[node.rvalue],
])
+ with self.pseudocode(node=node):
+ for (level, stmt) in self[ccall]:
+ self[node].emit(stmt=stmt, level=level)
@pc_util.Hook(pc_ast.BinaryExpr)
def BinaryExpr(self, node):
pc_ast.Lt, pc_ast.Le,
pc_ast.Eq, pc_ast.NotEq,
pc_ast.Ge, pc_ast.Gt,
+ pc_ast.LtU, pc_ast.GtU,
)
+ if isinstance(node.left, pc_ast.IfExpr):
+ self.ternary(node=node.left)
+ if isinstance(node.right, pc_ast.IfExpr):
+ self.ternary(node=node.right)
+
if isinstance(node.op, comparison):
- self.call(prefix=str(self[node.op]), node=node, code=[
+ ccall = self.ccall(name=str(self[node.op]), node=node, code=[
self[node.left],
self[node.right],
])
else:
transient = self.transient(node=node)
- self.call(prefix=str(self[node.op]), node=node, code=[
+ ccall = self.ccall(name=str(self[node.op]), node=node, code=[
self[transient],
self[node.left],
self[node.right],
])
+ with self.pseudocode(node=node):
+ for (level, stmt) in self[ccall]:
+ self[node].emit(stmt=stmt, level=level)
@pc_util.Hook(pc_ast.UnaryExpr)
def UnaryExpr(self, node):
yield node
- self.call(prefix=str(self[node.op]), node=node, code=[
+ if isinstance(node.value, pc_ast.IfExpr):
+ self.ternary(node=node.value)
+ ccall = self.ccall(name=str(self[node.op]), node=node, code=[
self[node.value],
])
+ with self.pseudocode(node=node):
+ for (level, stmt) in self[ccall]:
+ self[node].emit(stmt=stmt, level=level)
@pc_util.Hook(
pc_ast.Not, pc_ast.Add, pc_ast.Sub,
pc_ast.Lt, pc_ast.Le,
pc_ast.Eq, pc_ast.NotEq,
pc_ast.Ge, pc_ast.Gt,
+ pc_ast.LtU, pc_ast.GtU,
pc_ast.LShift, pc_ast.RShift,
pc_ast.BitAnd, pc_ast.BitOr, pc_ast.BitXor,
+ pc_ast.BitConcat,
)
def Op(self, node):
yield node
pc_ast.Lt: "oppc_lt",
pc_ast.Le: "oppc_le",
pc_ast.Eq: "oppc_eq",
+ pc_ast.LtU: "oppc_ltu",
+ pc_ast.GtU: "oppc_gtu",
pc_ast.NotEq: "oppc_noteq",
pc_ast.Ge: "oppc_ge",
pc_ast.Gt: "oppc_gt",
pc_ast.BitAnd: "oppc_and",
pc_ast.BitOr: "oppc_or",
pc_ast.BitXor: "oppc_xor",
+ pc_ast.BitConcat: "oppc_concat",
}[node.__class__]
self[node].emit(stmt=op)
bits = f"UINT8_C({str(len(value[2:]) * 4)})"
value = int(value, 16)
else:
- bits = "ctx->XLEN"
+ bits = "(uint8_t)OPPC_XLEN"
value = int(value)
fmt = str
if (value > ((2**64) - 1)):
raise NotImplementedError()
value = f"UINT64_C({fmt(value)})"
transient = self.transient(node=node, value=value, bits=bits)
- for (level, stmt) in self[transient]:
- self[node].emit(stmt=stmt, level=level)
+ with self.pseudocode(node=node):
+ for (level, stmt) in self[transient]:
+ self[node].emit(stmt=stmt, level=level)
@pc_util.Hook(Transient)
def Transient(self, node):
yield node
self[node].emit(stmt=str(node))
+ @pc_util.Hook(CCall)
+ def CCall(self, node):
+ yield node
+ end = (";" if node.stmt else "")
+ if len(node.code) == 0:
+ self[node].emit(stmt=f"{str(node.name)}(){end}")
+ else:
+ self[node].emit(stmt=f"{str(node.name)}(")
+ with self[node]:
+ (*head, tail) = node.code
+ for code in head:
+ for (level, stmt) in code:
+ self[node].emit(stmt=stmt, level=level)
+ (level, stmt) = self[node][-1]
+ if not (not stmt or
+ stmt.startswith("/*") or
+ stmt.endswith((",", "(", "{", "*/"))):
+ stmt = (stmt + ",")
+ self[node][-1] = (level, stmt)
+ for (level, stmt) in tail:
+ self[node].emit(stmt=stmt, level=level)
+ self[node].emit(stmt=f"){end}")
+
@pc_util.Hook(pc_ast.GPR)
def GPR(self, node):
yield node
with self.pseudocode(node=node):
- self[node].emit(stmt=f"&ctx->gpr[OPPC_GPR_{str(node)}]")
+ self[node].emit(stmt=f"&OPPC_GPR[OPPC_GPR_{str(node)}]")
@pc_util.Hook(pc_ast.FPR)
def FPR(self, node):
yield node
with self.pseudocode(node=node):
- self[node].emit(stmt=f"&ctx->fpr[OPPC_FPR_{str(node)}]")
+ self[node].emit(stmt=f"&OPPC_FPR[OPPC_FPR_{str(node)}]")
@pc_util.Hook(pc_ast.RepeatExpr)
def RepeatExpr(self, node):
yield node
transient = self.transient(node=node)
- self.call(prefix="oppc_repeat", node=node, code=[
+ ccall = self.ccall(name="oppc_repeat", node=node, code=[
self[transient],
self[node.subject],
self[node.times],
])
+ for (level, stmt) in self[ccall]:
+ self[node].emit(stmt=stmt, level=level)
@pc_util.Hook(pc_ast.XLEN)
def XLEN(self, node):
yield node
- (value, bits) = ("ctx->XLEN", "(uint8_t)ctx->XLEN")
+ (value, bits) = ("OPPC_XLEN", "(uint8_t)OPPC_XLEN")
transient = self.transient(node=node, value=value, bits=bits)
- for (level, stmt) in self[transient]:
- self[node].emit(stmt=stmt, level=level)
+ with self.pseudocode(node=node):
+ for (level, stmt) in self[transient]:
+ self[node].emit(stmt=stmt, level=level)
@pc_util.Hook(pc_ast.SubscriptExpr)
def SubscriptExpr(self, node):
yield node
- self.call(prefix="oppc_subscript", node=node, code=[
+ ccall = self.ccall(name="oppc_subscript", node=node, code=[
self[node.subject],
self[node.index],
])
+ for (level, stmt) in self[ccall]:
+ self[node].emit(stmt=stmt, level=level)
@pc_util.Hook(pc_ast.RangeSubscriptExpr)
def RangeSubscriptExpr(self, node):
yield node
- self.call(prefix="oppc_subscript", node=node, code=[
+ ccall = self.ccall(name="oppc_subscript", node=node, code=[
self[node.subject],
self[node.start],
self[node.end],
])
+ for (level, stmt) in self[ccall]:
+ self[node].emit(stmt=stmt, level=level)
@pc_util.Hook(pc_ast.ForExpr)
def ForExpr(self, node):
def Call(self, node):
yield node
code = tuple(map(lambda arg: self[arg], node.args))
- self.call(prefix=str(node.name), node=node, code=code)
+ ccall = self.ccall(name=str(node.name), node=node, code=code)
+ for (level, stmt) in self[ccall]:
+ self[node].emit(stmt=stmt, level=level)
@pc_util.Hook(pc_ast.Symbol)
def Symbol(self, node):
yield node
self.__decls[str(node)].append(node)
- self[node].emit(stmt=f"&{str(node)}")
+ with self.pseudocode(node=node):
+ self[node].emit(stmt=f"&{str(node)}")
@pc_util.Hook(pc_ast.Node)
def Node(self, node):
projects / openpower-isa.git / blobdiff